chipio.h

#ifndef _CHIPIO_H_
#define _CHIPIO_H_

#include <sysio/defs.h>
#ifdef __cplusplus
  extern "C" {
#endif
/* ========================================================================== */

/* constants ================================================================ */
typedef enum {
  eChipIoOptionLcd              = 0x01,
  eChipIoOptionAdc              = 0x02,
  eChipIoOptionSerial           = 0x04,
  eChipIoOptionSerialIrq        = 0x40,
  eChipIoOptionLcdSplashScreen  = 0x80
} eChipIoOptions;

/* structures =============================================================== */
typedef struct xChipIo xChipIo;

/* internal public functions ================================================ */

xChipIo * xChipIoOpen (const char * sI2cBus, int iSlaveAddr);

int iChipIoClose (xChipIo * chip);

int iChipIoRevisionMajor (xChipIo * chip);

int iChipIoRevisionMinor (xChipIo * chip);

int iChipIoAvailableOptions (xChipIo * chip);

int iChipIoReadReg8 (xChipIo * chip, uint8_t reg);

int iChipIoReadReg16 (xChipIo * chip, uint8_t reg);

int iChipIoReadRegBlock (xChipIo * chip, uint8_t reg, uint8_t * buffer, uint8_t size);

int iChipIoWriteReg8 (xChipIo * chip, uint8_t reg, uint8_t data);

int iChipIoWriteReg16 (xChipIo * chip, uint8_t reg, uint16_t data);

int iChipIoWriteRegBlock (xChipIo * chip, uint8_t reg, const uint8_t * buffer, uint8_t size);

/* ========================================================================== */
#ifdef __cplusplus
  }
#endif
#endif /* _CHIPIO_H_ */